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74LVQ151 반도체 회로 부품 판매점

Low Voltage 8-Input Multiplexer



Fairchild Semiconductor 로고
Fairchild Semiconductor
74LVQ151 데이터시트, 핀배열, 회로
May 1998
74LVQ151
Low Voltage 8-Input Multiplexer
General Description
The LVQ151 is a high-speed 8-input digital multiplexer. It
provides, in one package, the ability to select one line of data
from up to eight sources. The LVQ151 can be used as a uni-
versal function generator to generate any logic function of
four variables. Both true and complementary outputs are
provided.
Features
n Ideal for low power/low noise 3.3V applications
n Guaranteed simultaneous switching noise level and
dynamic threshold performance
n Guaranteed pin-to-pin skew AC performance
n Guaranteed incident wave switching into 75
Ordering Code:
Order Number
74LVQ151SC
74LVQ151SJ
Package Number
M16A
M16D
Package Description
16-Lead (0.150" Wide) Small Outline Integrated Circuit, SOIC JEDEC
16-Lead Molded Small Outline Package, SOIC EIAJ
Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbols
Connection Diagram
Pin Assignment
SOIC JEDEC and EIAJ
IEEE/IEC
DS011351-1
DS011351-4
Pin Descriptions
DS011351-2
Pin
Names
I0– I7
S0– S2
E
Z
Z
Description
Data Inputs
Select Inputs
Enable Input
Data Output
Inverted Data Output
© 1998 Fairchild Semiconductor Corporation DS011351
www.fairchildsemi.com


74LVQ151 데이터시트, 핀배열, 회로
Truth Table
Inputs
Outputs
E S2 S1 S0
Z
HX X X H
Z
L
L L L L I0 I0
L L L H I1 I1
L L H L I2 I2
L L H H I3 I3
L H L L I4 I4
L H L H I5 I5
L H H L I6 I6
L H H H I7 I7
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Logic Diagram
Functional Description
The LVQ151 is a logic implementation of a single pole,
8-position switch with the switch position controlled by the
state of three Select inputs, S0, S1, S2. Both true and
complementary outputs are provided. The Enable input (E) is
active LOW. When it is not activated, the complementary
output is HIGH and the true output is LOW regardless of all
other inputs. The logic function provided at the output is:
Z = E (I0 S 0 S 1 S 2 + I1 S0 S 1 S 2 +
I2 S 0 S1 S 2 + I3 S0 S1 S 2 +
I4 S 0 S 1 S2 + I5 S0 S 1 S 2 +
I6 S 0 S1 S2 + I7 S0 S1 S 2)
The LVQ151 provides the ability, in one package to select
from eight sources of data or control information. By proper
manipulation of the inputs, the LVQ151 can provide any logic
function of four variables and its complement.
DS011351-5
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
www.fairchildsemi.com
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